diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_fuid.h')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_fuid.h | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_fuid.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_fuid.h deleted file mode 100644 index b381bb98e734..000000000000 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_fuid.h +++ /dev/null @@ -1,132 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2010 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _SYS_FS_ZFS_FUID_H -#define _SYS_FS_ZFS_FUID_H - -#include <sys/types.h> -#ifdef _KERNEL -#include <sys/kidmap.h> -#include <sys/dmu.h> -#include <sys/zfs_vfsops.h> -#endif -#include <sys/avl.h> -#include <sys/list.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - ZFS_OWNER, - ZFS_GROUP, - ZFS_ACE_USER, - ZFS_ACE_GROUP -} zfs_fuid_type_t; - -/* - * Estimate space needed for one more fuid table entry. - * for now assume its current size + 1K - */ -#define FUID_SIZE_ESTIMATE(z) ((z)->z_fuid_size + (SPA_MINBLOCKSIZE << 1)) - -#define FUID_INDEX(x) ((x) >> 32) -#define FUID_RID(x) ((x) & 0xffffffff) -#define FUID_ENCODE(idx, rid) (((uint64_t)(idx) << 32) | (rid)) -/* - * FUIDs cause problems for the intent log - * we need to replay the creation of the FUID, - * but we can't count on the idmapper to be around - * and during replay the FUID index may be different than - * before. Also, if an ACL has 100 ACEs and 12 different - * domains we don't want to log 100 domain strings, but rather - * just the unique 12. - */ - -/* - * The FUIDs in the log will index into - * domain string table and the bottom half will be the rid. - * Used for mapping ephemeral uid/gid during ACL setting to FUIDs - */ -typedef struct zfs_fuid { - list_node_t z_next; - uint64_t z_id; /* uid/gid being converted to fuid */ - uint64_t z_domidx; /* index in AVL domain table */ - uint64_t z_logfuid; /* index for domain in log */ -} zfs_fuid_t; - -/* list of unique domains */ -typedef struct zfs_fuid_domain { - list_node_t z_next; - uint64_t z_domidx; /* AVL tree idx */ - const char *z_domain; /* domain string */ -} zfs_fuid_domain_t; - -/* - * FUID information necessary for logging create, setattr, and setacl. - */ -typedef struct zfs_fuid_info { - list_t z_fuids; - list_t z_domains; - uint64_t z_fuid_owner; - uint64_t z_fuid_group; - char **z_domain_table; /* Used during replay */ - uint32_t z_fuid_cnt; /* How many fuids in z_fuids */ - uint32_t z_domain_cnt; /* How many domains */ - size_t z_domain_str_sz; /* len of domain strings z_domain list */ -} zfs_fuid_info_t; - -#ifdef _KERNEL -struct znode; -extern uid_t zfs_fuid_map_id(zfsvfs_t *, uint64_t, cred_t *, zfs_fuid_type_t); -extern void zfs_fuid_node_add(zfs_fuid_info_t **, const char *, uint32_t, - uint64_t, uint64_t, zfs_fuid_type_t); -extern void zfs_fuid_destroy(zfsvfs_t *); -extern uint64_t zfs_fuid_create_cred(zfsvfs_t *, zfs_fuid_type_t, - cred_t *, zfs_fuid_info_t **); -extern uint64_t zfs_fuid_create(zfsvfs_t *, uint64_t, cred_t *, zfs_fuid_type_t, - zfs_fuid_info_t **); -extern void zfs_fuid_map_ids(struct znode *zp, cred_t *cr, - uid_t *uid, uid_t *gid); -extern zfs_fuid_info_t *zfs_fuid_info_alloc(void); -extern void zfs_fuid_info_free(zfs_fuid_info_t *); -extern boolean_t zfs_groupmember(zfsvfs_t *, uint64_t, cred_t *); -void zfs_fuid_sync(zfsvfs_t *, dmu_tx_t *); -extern int zfs_fuid_find_by_domain(zfsvfs_t *, const char *domain, - char **retdomain, boolean_t addok); -extern const char *zfs_fuid_find_by_idx(zfsvfs_t *zfsvfs, uint32_t idx); -extern void zfs_fuid_txhold(zfsvfs_t *zfsvfs, dmu_tx_t *tx); -#endif - -char *zfs_fuid_idx_domain(avl_tree_t *, uint32_t); -void zfs_fuid_avl_tree_create(avl_tree_t *, avl_tree_t *); -uint64_t zfs_fuid_table_load(objset_t *, uint64_t, avl_tree_t *, avl_tree_t *); -void zfs_fuid_table_destroy(avl_tree_t *, avl_tree_t *); - -#ifdef __cplusplus -} -#endif - -#endif /* _SYS_FS_ZFS_FUID_H */ |